Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 352,721	$ 742,516	$ 0
Goodwill impairment	(70,518)	(396,242)
Divestiture of Entertainment	(5,001)
Goodwill additions		5,062	742,516
Measurement period adjustments		1,385
Goodwill, Ending Balance	277,202	352,721	742,516
Loss on divestiture	6,550	0	0
Impairment of Intangible Assets (Excluding Goodwill)		56,400
Goodwill	277,202	352,721	742,516
Finite-Lived Intangible Asset, Expected Amortization, Year One	11,117
Finite-Lived Intangible Asset, Expected Amortization, Year Two	11,117
Finite-Lived Intangible Asset, Expected Amortization, Year Three	9,674
Finite-Lived Intangible Asset, Expected Amortization, Year Four	3,021
Finite-Lived Intangible Asset, Expected Amortization, Year Five	0
Finite-Lived Intangible Asset, Expected Amortization, after Year Five	0
Cardlytics Platform U.S.
Goodwill [Roll Forward]
Goodwill, Beginning Balance	164,430	205,690	0
Goodwill impairment	0	(46,262)
Goodwill additions		5,062	205,690
Measurement period adjustments		(60)
Goodwill, Ending Balance	159,429	164,430	205,690
Goodwill	159,429	164,430	205,690
Bridg Platform
Goodwill [Roll Forward]
Goodwill, Beginning Balance	188,291	536,826	0
Goodwill impairment	(70,518)	(349,980)
Divestiture of Entertainment	0
Goodwill additions		0	536,826
Measurement period adjustments		1,445
Goodwill, Ending Balance	117,773	188,291	536,826
Goodwill	117,773	188,291	536,826
Entertainment
Goodwill [Roll Forward]
Divestiture of Entertainment	(5,001)
Bridg And Dosh Holdings Acquisitions [Member]
Goodwill [Roll Forward]
Gross Carrying Amount	92,300	154,500	144,700
Accumulated Amortization	(52,424)	(44,732)	(19,712)
Divestiture of Entertainment	(4,947)	(56,395)
Net	34,929	53,373	124,988
Trade Names
Goodwill [Roll Forward]
Gross Carrying Amount	2,315	3,500	2,700
Accumulated Amortization	(1,802)	(1,744)	(753)
Divestiture of Entertainment	(513)	(1,185)
Net	$ 0	$ 571	$ 1,947
Weighted Average Remaining Useful Life	0 years	1 year 4 months 24 days	2 years 1 month 6 days
Developed Technology Rights
Goodwill [Roll Forward]
Gross Carrying Amount	$ 64,070	$ 91,700	$ 91,000
Accumulated Amortization	(33,838)	(24,882)	(11,026)
Divestiture of Entertainment	(449)	(27,630)
Net	$ 29,783	$ 39,188	$ 79,974
Weighted Average Remaining Useful Life	3 years 4 months 24 days	3 years 7 months 6 days	5 years 3 months 18 days
Merchant Relationships
Goodwill [Roll Forward]
Gross Carrying Amount	$ 25,915	$ 40,300	$ 32,000
Accumulated Amortization	(16,784)	(12,301)	(4,900)
Divestiture of Entertainment	(3,985)	(14,385)
Net	$ 5,146	$ 13,614	$ 27,100
Weighted Average Remaining Useful Life	2 years 4 months 24 days	1 year 8 months 12 days	4 years 2 months 12 days
Partner Relationships
Goodwill [Roll Forward]
Gross Carrying Amount		$ 2,000	$ 2,000
Accumulated Amortization		(450)	(235)
Divestiture of Entertainment		(1,550)
Net		$ 0	$ 1,765
Weighted Average Remaining Useful Life		0 years	6 years 2 months 12 days
Card-Linked Subscriber User Base
Goodwill [Roll Forward]
Gross Carrying Amount		$ 17,000	$ 17,000
Accumulated Amortization		(5,355)	(2,798)
Divestiture of Entertainment		(11,645)
Net		$ 0	$ 14,202
Weighted Average Remaining Useful Life		0 years	4 years 2 months 12 days